| 1. Round | 05/08/2023 | Sutton United | - | Notts County | 5:1 |  |
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| 2. Round | 12/08/2023 | Barrow AFC | - | Sutton United | 2:1 | ||||
| 3. Round | 15/08/2023 | Sutton United | - | Gillingham FC | 0:1 | |
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| 4. Round | 19/08/2023 | Sutton United | - | AFC Wimbledon | 0:3 | ||||
| 5. Round | 26/08/2023 | Newport County | - | Sutton United | 3:1 | ||||
| 6. Round | 02/09/2023 | Sutton United | - | Forest Green Rovers | 0:1 | ||||
| 7. Round | 09/09/2023 | Swindon Town | - | Sutton United | 5:3 | |
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| 8. Round | 16/09/2023 | Accrington Stanley | - | Sutton United | 4:1 | ||||
| 14. Round | 21/10/2023 | Sutton United | - | Morecambe FC | 2:3 | ||||
| 15. Round | 24/10/2023 | Wrexham AFC | - | Sutton United | 2:1 | ||||
| 16. Round | 28/10/2023 | Sutton United | - | Bradford City | 2:1 | ||||
| 22. Round | 16/12/2023 | Stockport County | - | Sutton United | 8:0 | ||||
| 23. Round | 23/12/2023 | Sutton United | - | Mansfield Town | 0:2 | ||||
| 24. Round | 26/12/2023 | AFC Wimbledon | - | Sutton United | 0:1 | ||||
| 25. Round | 29/12/2023 | Gillingham FC | - | Sutton United | 1:0 | ||||
| 26. Round | 01/01/2024 | Sutton United | - | Newport County | 1:1 | ||||
| 28. Round | 13/01/2024 | Sutton United | - | Barrow AFC | 2:2 |
England